Nankai Plywood Simple Aluminum Shelf Columns White color The pre-made 1820mm length will be cut to 440mm. 4 pieces per set x 2 sets. Dedicated screws for fixing the shelf columns are included. 12 shelf support brackets (for 3 shelves) x 2 sets 6 earthquake-resistant shelf stoppers (for 3 shelves) x 2 sets Thank you for viewing.